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Finding the Third Proportional to 57,452 and 88,740

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Solution

The third proportional to 57,452 and 88,740 is: 137,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,452 : 88,740 = 88,740 : x
  2. Step 2: Convert to fraction form
    57,452/88,740 = 88,740/x
  3. Step 3: Cross multiply
    57,452x = 88,740 × 88,740
  4. Step 4: Simplify right side
    57,452x = 7,874,787,600
  5. Step 5: Solve for x
    x = 7,874,787,600/57,452
  6. Step 6: Final answer
    x = 137,067.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.